| K value | Confusion Matrix | Test Error | ||
| 1 | test.data | 31% | ||
| knn.pred1 | 0 | 1 | ||
| 0 | 101 | 37 | ||
| 1 | 36 | 61 | ||
| 3 | test.data | 28% | ||
| knn.pred3 | 0 | 1 | ||
| 0 | 114 | 43 | ||
| 1 | 23 | 55 | ||
| 5 optimum k | test.data | 27% | ||
| knn.pred5 | 0 | 1 | ||
| 0 | 113 | 39 | ||
| 1 | 24 | 59 | ||
| 7 | test.data | 28% | ||
| knn.pred7 | 0 | 1 | ||
| 0 | 114 | 43 | ||
| 1 | 23 | 55 | ||
| 9 | test.data | 30% | ||
| knn.pred9 | 0 | 1 | ||
| 0 | 107 | 41 | ||
| 1 | 30 | 57 | ||